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Studies on digestive physiology and feed digestibilities in captive Indian rhinoceros (Rhinoceros unicornis)

Marcus Clauss UGent, C Polster, E Kienzle, H Wiesner, K Baumgartner, F von Houwald, S Ortmann, W Jürgen Streich and Ellen S Dierenfeld (2005) JOURNAL OF ANIMAL PHYSIOLOGY AND ANIMAL NUTRITION. 89(3-6). p.229-237
abstract
We performed intake, digestibility and ingesta passage studies in 11 Indian rhinoceroses (Rhinoceros unicornis) from four zoological institutions, using total faecal collection for the quantification of faecal output. The regularly fed zoo ration of roughage and concentrates (ration RC) and a roughage-only ration (ration R) were used; the roughage source differed between the facilities and comprised grass hay, grass silage, straw and lucerne hay. Dry matter intake ranged between 0.8 and 1.3% of body weight on ration RC and 0.5-1.2% on ration R. Digestibility coefficients achieved were similar to those reported for horses on diets of comparable composition. Endogenous losses as determined by linear regression analysis were within the range reported for horses. Measurements of faecal volatile fatty acids, faecal lactate and faecal pH also showed similarity to similar measurements in horses. The mean retention times of fluids (Co-EDTA) and particles (Cr-mordanted fibre < 2 mm) in the whole gastrointestinal tract averaged 42 and 61 h, respectively, and were the longest ever recorded in a monogastric ungulate with this marker system. The results suggest that the horse is a useful model animal for designing diets for Indian rhinoceroses. Why digestive parameters are similar between these species in spite of enormous differences in body weight and retention times remains to be answered.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
NONRUMINANT HERBIVORES, ONE-HORNED RHINOCEROS, BODY-SIZE, PONIES, PROTEIN, HORSES, FORAGE, METABOLISM, NITROGEN, ECOLOGY
journal title
JOURNAL OF ANIMAL PHYSIOLOGY AND ANIMAL NUTRITION
J. Anim. Physiol. Anim. Nutr.
volume
89
issue
3-6
pages
229 - 237
Web of Science type
Article
Web of Science id
000227673500028
JCR category
VETERINARY SCIENCES
JCR impact factor
0.809 (2005)
JCR rank
45/129 (2005)
JCR quartile
2 (2005)
ISSN
0931-2439
DOI
10.1111/j.1439-0396.2005.00546.x
language
English
UGent publication?
no
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
671949
handle
http://hdl.handle.net/1854/LU-671949
date created
2009-05-29 13:18:32
date last changed
2009-10-01 14:24:06
@article{671949,
  abstract     = {We performed intake, digestibility and ingesta passage studies in 11 Indian rhinoceroses (Rhinoceros unicornis) from four zoological institutions, using total faecal collection for the quantification of faecal output. The regularly fed zoo ration of roughage and concentrates (ration RC) and a roughage-only ration (ration R) were used; the roughage source differed between the facilities and comprised grass hay, grass silage, straw and lucerne hay. Dry matter intake ranged between 0.8 and 1.3\% of body weight on ration RC and 0.5-1.2\% on ration R. Digestibility coefficients achieved were similar to those reported for horses on diets of comparable composition. Endogenous losses as determined by linear regression analysis were within the range reported for horses. Measurements of faecal volatile fatty acids, faecal lactate and faecal pH also showed similarity to similar measurements in horses. The mean retention times of fluids (Co-EDTA) and particles (Cr-mordanted fibre {\textlangle} 2 mm) in the whole gastrointestinal tract averaged 42 and 61 h, respectively, and were the longest ever recorded in a monogastric ungulate with this marker system. The results suggest that the horse is a useful model animal for designing diets for Indian rhinoceroses. Why digestive parameters are similar between these species in spite of enormous differences in body weight and retention times remains to be answered.},
  author       = {Clauss, Marcus and Polster, C and Kienzle, E and Wiesner, H and Baumgartner, K and von Houwald, F and Ortmann, S and Streich, W J{\"u}rgen and Dierenfeld, Ellen S},
  issn         = {0931-2439},
  journal      = {JOURNAL OF ANIMAL PHYSIOLOGY AND ANIMAL NUTRITION},
  keyword      = {NONRUMINANT HERBIVORES,ONE-HORNED RHINOCEROS,BODY-SIZE,PONIES,PROTEIN,HORSES,FORAGE,METABOLISM,NITROGEN,ECOLOGY},
  language     = {eng},
  number       = {3-6},
  pages        = {229--237},
  title        = {Studies on digestive physiology and feed digestibilities in captive Indian rhinoceros (Rhinoceros unicornis)},
  url          = {http://dx.doi.org/10.1111/j.1439-0396.2005.00546.x},
  volume       = {89},
  year         = {2005},
}

Chicago
Clauss, Marcus, C Polster, E Kienzle, H Wiesner, K Baumgartner, F von Houwald, S Ortmann, W Jürgen Streich, and Ellen S Dierenfeld. 2005. “Studies on Digestive Physiology and Feed Digestibilities in Captive Indian Rhinoceros (Rhinoceros Unicornis).” Journal of Animal Physiology and Animal Nutrition 89 (3-6): 229–237.
APA
Clauss, M., Polster, C., Kienzle, E., Wiesner, H., Baumgartner, K., von Houwald, F., Ortmann, S., et al. (2005). Studies on digestive physiology and feed digestibilities in captive Indian rhinoceros (Rhinoceros unicornis). JOURNAL OF ANIMAL PHYSIOLOGY AND ANIMAL NUTRITION, 89(3-6), 229–237.
Vancouver
1.
Clauss M, Polster C, Kienzle E, Wiesner H, Baumgartner K, von Houwald F, et al. Studies on digestive physiology and feed digestibilities in captive Indian rhinoceros (Rhinoceros unicornis). JOURNAL OF ANIMAL PHYSIOLOGY AND ANIMAL NUTRITION. 2005;89(3-6):229–37.
MLA
Clauss, Marcus, C Polster, E Kienzle, et al. “Studies on Digestive Physiology and Feed Digestibilities in Captive Indian Rhinoceros (Rhinoceros Unicornis).” JOURNAL OF ANIMAL PHYSIOLOGY AND ANIMAL NUTRITION 89.3-6 (2005): 229–237. Print.